Shoe insole



FIG. 1 is a left side elevational view of a shoe insole showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front view thereof; and

FIG. 5 is a rear view thereof. 

The ornamental design for a shoe insole, as shown and described. 